How to change account country

It sounds like you're trying to change your Country/Region just for Rewards benefits? If so, I'd advise you not to. If they are not available where you are physically living, then there's nothing you can do at the moment unless they add that area in the
future, sorry about that. If you try to change Countries just for this reason, but you don't physically live in that Country, you risk your Rewards account being banned anyway and possibly your Microsoft account.

you shouldn't change the country of your account to access rewards if you don't live in that country. If rewards is not available where you live there's a reason. Even if you change account region, you may not be able to use the rewards points.

If you are in an unsupported region for Microsoft rewards, there is nothing you can do.

Hello,

If you want to change the region where your account was created this is possible but comes with a 6 week wait, you may also lose some purchased content depending on where you're planning on changing regions to. It's highly recommended to make a new account
in the correct region instead.

Please contact chat/phone support if you wish to make a change to your account region.

This is the disclaimer that chat support gives you:

You can only switch regions to an already supported LIVE region. You can view this list here. Please make sure you read the information
on the bottom in regards to account migrations.

You have chosen to migrate your Xbox LIVE account to a new country. You should be aware that certain Xbox LIVE content, features and functions may vary depending on your location, due to licensing limitations provided by specific providers. In order to proceed,
you must confirm that you have been informed of and fully understand the consequences of the migration of your Xbox Live account:

Microsoft reminds you that the migration of your Xbox Live account will have the following consequences:

Some of the services and content that you are currently benefiting from in the country originally registered may not also be available in the country you are willing to migrate to.

All of your current subscriptions, except for Xbox Live Gold if you had any, will be cancelled.

You may lose the ability to re-download some, if not all, of the content in your download history.

Any content that you will subsequently download after the account is migrated will be subject to any applicable geofencing rules of your new location.

Note on Geofencing: If you bought something in the country you originally registered in that wasn't geofenced, it could be that it will be if bought again, in your new location. These geofencing constraints depend on the license to distribute
that Microsoft was granted by the content providers.

Please note that the migration process can take up to 6 weeks. During this time your account will not be available. No refunds will be given for any content that is lost during the migration.

How can I change that? I went into my account details, but was unable to change my country/location. (Country/Regiopn option was bold and unchangeable)